Melstone, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Melstone, a town in Rosebud County, Montana.
Tonight
30°F
Patchy Fog
Patchy fog after 8pm. Mostly clear, with a low around 30. South southwest wind 2 to 6 mph.
7-day forecast for Melstone
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 30°F | Patchy Fog | 2 to 6 mph SSW | 0% |
| Wednesday | 50°F | Patchy Fog then Sunny | 2 to 6 mph NW | 0% |
| Wednesday Night | 30°F | Patchy Fog | 0 to 6 mph SSW | 0% |
| Thursday | 57°F | Patchy Fog then Mostly Sunny | 2 to 9 mph SW | 0% |
| Thursday Night | 33°F | Partly Cloudy | 1 to 5 mph WSW | 2% |
| Friday | 56°F | Sunny | 5 to 14 mph SW | 5% |
| Friday Night | 38°F | Partly Cloudy | 7 to 12 mph WSW | 5% |
| Saturday | 60°F | Sunny | 3 to 12 mph SW | 0% |
| Saturday Night | 37°F | Mostly Clear | 3 to 10 mph SSW | 0% |
| Sunday | 65°F | Mostly Sunny | 8 to 15 mph SW | 0% |
| Sunday Night | 38°F | Partly Cloudy | 5 to 8 mph W | 0% |
| Monday | 57°F | Mostly Sunny | 5 mph W | 1% |
| Monday Night | 36°F | Mostly Cloudy | 6 mph S | 1% |
| Tuesday | 61°F | Mostly Sunny | 6 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Melstone (46.599, -107.868). Updated through the day.
Growing snapshot for Melstone
Last spring frost
May 10
First fall frost
Sep 29
Growing season
141 days
Hardiness zone
4b
More local growing data for Melstone: nearby ZIP 59054 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Melstone, Mt (6.6 mi from Melstone). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.